Average annual temperature is 17.2 °C
Absolute maximum temperature: 37.4 °C
Absolute minimum temperature: 2.7 °C
Number of sunny days: 144 days
Number of rainy days: 221 days
Look at detailed online map of Shellharbour
* Weather data for Shellharbour Australia is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 30.3 | 31.7 | 36.5 | 25.8 | 21.8 | 22.7 | 23.0 | 24.4 | 34.9 | 34.8 | 29.2 | 37.4 |
| Average daytime temperature (°C) | 24.9 | 25.8 | 26.2 | 21.6 | 18.7 | 17.7 | 18.9 | 18.9 | 23.0 | 24.2 | 23.5 | 26.4 |
| Average temperature (°C) | 20.9 | 21.6 | 21.0 | 17.0 | 13.7 | 12.7 | 12.6 | 12.9 | 16.2 | 17.5 | 19.2 | 21.3 |
| Average night temperature (°C) | 17.5 | 17.9 | 17.1 | 13.3 | 9.9 | 9.3 | 7.7 | 8.2 | 10.3 | 12.0 | 15.4 | 17.3 |
| Absolute minimum temperature (°C) | 11.2 | 14.9 | 13.2 | 9.7 | 5.5 | 5.5 | 2.7 | 5.1 | 4.4 | 7.8 | 10.8 | 12.8 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 |
| Daylight mean duration (h) | 14.2 | 13.3 | 12.3 | 11.2 | 10.3 | 9.9 | 10.1 | 10.9 | 11.9 | 13.0 | 13.9 | 14.4 |
| Daylight minimum duration (h) | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 | 9.0 | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 |
| Sunshine mean duration (h) | 10.1 | 10.7 | 9.1 | 8.7 | 9.0 | 7.8 | 8.8 | 8.7 | 10.6 | 11.0 | 9.9 | 10.5 |
| Precipitation (mm) | 138 | 118 | 68 | 120 | 27 | 33 | 14 | 52 | 11 | 41 | 144 | 142 |
| Sunny days | 6 | 7 | 9 | 10 | 16 | 18 | 21 | 12 | 21 | 16 | 4 | 4 |
| Rainy days | 25 | 21 | 22 | 20 | 15 | 12 | 10 | 19 | 9 | 15 | 26 | 27 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Shellharbour is at